73. Consider mixing equal volume of 0.1 M Na2CO3 solution and 0.1 M H2SO4 solution. Which statement is correct?
(A) [H+] is less than 0.05 M
(B) [H+] is between 0.1 M and 0.05 M
(C) [H+] is 0.1 M
(D) [H+] is 0.2 M
(E) pH ＞ 7